LESHI
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| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | GIR320 (VOC-Specific) |
| Detection Principle | Passive Mid-Wave Infrared (MWIR) Absorption Imaging |
| Instrument Type | Portable |
| Configuration | Integrated VOC-Specific OGI System |
| Temperature Range | −40 °C to 350 °C |
| Resolution | Adjustable (User-Selectable Spatial & Thermal Resolution) |
| Accuracy | Temperature-Dependent (Calibrated per ASTM E1934 & ISO 18434-1) |
| Response Time | <60 s (Initial Detection), 1–60 min (Quantitative Stabilization) |
| Brand | Leshi |
|---|---|
| Model | GIR320-Plus |
| Type | Portable Optical Gas Imaging (OGI) Camera |
| Detection Principle | Passive Mid-Wave Infrared (MWIR) Absorption Imaging |
| Temperature Range | −40 °C to 350 °C |
| Spatial Resolution | Adjustable (typical NETD < 30 mK) |
| Accuracy | Temperature-dependent, calibrated per ASTM E1934 and ISO 18434-1 |
| Response Time | < 60 s (alarm), 1–60 min (quantitative plume visualization) |
| Compliance | ATEX/IECEx Certified Intrinsically Safe (Zone 1/21), IP54 |
| Sensor | Cooled MWIR FPA detector (3.2–3.4 µm spectral band optimized for C–H bond absorption) |
| Onboard Storage | ≥64 GB SSD |
| Display | 3.2″ high-brightness color LCD (1280 × 720), rotatable electronic viewfinder |
| Battery Life | ≥3.5 h continuous operation (hot-swappable dual Li-ion packs) |
| Software Compatibility | Leshi OGI Suite v4.2 (supports ASTM D7520-compliant reporting, GLP audit trail, FDA 21 CFR Part 11 optional module) |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Model | GIR320Plus |
| Detector Type | Cooled Type-II Strained-Layer Superlattice (T2SL) |
| Spectral Range | 3.2–3.4 µm (optimized for hydrocarbon VOCs) |
| Image Resolution | 320 × 256 IR pixels |
| Display | Rotatable capacitive touchscreen LCD with eyepiece |
| Focus | Motorized autofocus + manual ring focus + touch-to-focus |
| Connectivity | 4G LTE, Wi-Fi 5 (802.11ac), Bluetooth 5.0 |
| Data Output | Full-radiometric IR video & stills, dual-stream recording (IR + visible + synchronized audio) |
| Compliance | ATEX Category 2G, IECEx Zone 1, IP67 |
| Software Integration | Supports FID/PID real-time overlay via Wi-Fi |
| Security | Fingerprint biometric authentication |
| Operating Temperature | –20 °C to +50 °C |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Instrument Type | Portable |
| Detection Principle | Heated Flame Ionization Detection (HFID) with High-Temperature Catalytic Methane Scrubber |
| Compliance | HJ/T 38–2017, HJ 1012–2018, DB11/T 1367–2016, GB 18352.6–2016, GB 17691–2018, EN 12619, EN 13526, US EPA Compliant |
| Certification | CPA Certified, MCERTS Certified |
| Fuel Options | H₂/He mixture or pure H₂ |
| Zero Air Source | Integrated catalytic air purifier (no external zero air required) |
| Data Logging | Built-in recorder with IoT-enabled telemetry |
| Optional Modules | O₂, temperature, pressure, flow, humidity, PID/benzene speciation |
| Sample Line | Integrated heated sampling line (up to 180 °C) |
| Detection Limit | Sub-ppb range for THC (typical) |
| Response Time | T₉₀ < 3 s |
| Range Switching | Multi-range, auto-switching without power cycle |
| Filter | Removable PTFE particulate filter |
| Brand | LESHI |
|---|---|
| Model | SE300-Tech |
| Type | Portable Flue Gas Analyzer |
| Detection Principle | NDIR (CO, CO₂, HC, SO₂), Electrochemical (O₂, NO, NO₂, NH₃, H₂S), Optional NDUV (NO, NO₂, SO₂) |
| Gas Channels | Up to 6 simultaneously measurable gases (standard configuration) |
| Compliance | Designed for field-deployable combustion efficiency and emissions verification per ISO 12039, EN 15267, and EPA Method 6C/7E prerequisites |
| Power | Rechargeable Li-ion battery (≥4 hr continuous operation) |
| Display | 5.7" TFT LCD with touch interface |
| Data Storage | Removable MMC card (up to 32 GB) |
| Connectivity | USB 2.0, Bluetooth 4.2, optional RS-232 |
| Operating Temperature | 0–40 °C |
| Protection Rating | IP42 |
| Weight | ≤2.8 kg |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Model | SE301 |
| Sensor Type | Electrochemical (low-range) & Optional Paramagnetic |
| Measurement Ranges | 0–500 ppm, 0–1%, 0–5.0%, 0–10.0%, 0–25.0%, 0–50.0%, 0–100% O₂ |
| Accuracy | ±1% of reading (full-scale dependent) |
| Response Time (T90) | 8–10 s (electrochemical) |
| Repeatability | ±1% FS |
| Resolution | 0.1 ppm (0–500 ppm range), 0.1% (higher ranges) |
| Display | Backlit LCD with real-time digital readout |
| Sampling System | Integrated diaphragm pump, stainless-steel probe (12 ft PTFE-lined sampling hose), dual-stage particulate/moisture filter, flow meter, automatic condensate removal trap |
| Data Interface | USB port, optional data logger support |
| Power | Rechargeable Li-ion battery (≥8 h continuous operation), AC adapter included |
| Enclosure | IP65-rated ruggedized housing |
| Compliance | Designed to meet requirements of HJ 57–2017 (China), GB/T 16157–1996, and supports method principles aligned with ASTM D4084–22 (electrochemical O₂) and ISO 10156 (paramagnetic O₂ detection) |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Model | SE302 |
| Instrument Type | Portable |
| Detection Target | Single-component (CO₂) |
| Compliance | HJ 870–2017 |
| Detection Principle | Non-Dispersive Infrared (NDIR) |
| Display | Backlit LCD |
| Power Supply | Rechargeable Li-ion Battery |
| Data Output | USB interface, internal storage, optional portable printer |
| Sample Handling | Integrated diaphragm pump, stainless steel probe, dual-stage filtration, condensate removal system, mass flow control |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Model | SE303 |
| Instrument Type | Portable |
| Detection Target | Single-component (CO) |
| Detection Principle | Electrochemical or NDIR (Non-Dispersive Infrared) |
| Measurement Ranges | 0–2000 ppm or 0–4.00% CO |
| Compliance | HJ/T 44–1999, HJ 973–2018 |
| Display | Backlit LCD |
| Sampling System | Integrated diaphragm pump, stainless steel probe, PTFE sampling hose, dual-stage filtration (particulate + moisture removal), flow meter |
| Data Output | USB interface, U-disk data export compatible with Excel |
| Optional Expansion | O₂ sensor module |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | SE304 |
| Instrument Type | Portable |
| Measured Gas | SO₂ |
| Detection Principle | Non-Dispersive Infrared (NDIR) at 7.3 µm |
| Compliance | HJ 692–2011 |
| Measurement Range | Customizable up to 0–5000 ppm |
| Response Time | < 30 s (T₉₀) |
| Warm-up Time | < 60 s |
| Built-in Components | Sampling Pump, Particulate Filter, Mass Flow Meter |
| Probe Material | Stainless Steel with Flexible Sampling Hose |
| Optional | Condensate Removal Module (User-configurable) |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Model | SE305 |
| Type | Portable Flue Gas Analyzer |
| Detection Principles | Electrochemical (O₂, CO, NO, NO₂, SO₂) and Catalytic/Thermal Conversion (NO₂ → NO for NOx calculation) |
| Compliance | HJ 692–2014 (Determination of Nitrogen Oxides in Exhaust Gas from Stationary Sources — Potentiostatic Electrolysis Method) |
| Display | Backlit LCD with Single- or Multi-parameter View (O₂, CO, SO₂, NO, NO₂, NOₓ) |
| Sampling System | Integrated diaphragm pump, stainless-steel probe (with 12 ft PTFE-lined sampling hose), condenser, dual-stage particulate filter, mass flow meter, and onboard NO₂-to-NO converter |
| Optional Accessories | Continuous condensate drain module, external cooling/drying unit |
| Enclosure Rating | IP54 (dust-protected, splash-resistant) |
| Operating Temperature Range | 0–40 °C |
| Power Supply | Rechargeable Li-ion battery (≥6 h continuous operation) |
| Data Logging | Internal memory (≥10,000 records), USB export |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (China) |
| Model | SE307 |
| Instrument Type | Portable |
| Detection Principle | TDLAS (NH₃-specific 1.53 µm wavelength) |
| Minimum Detectable Concentration | <50 ppb |
| Response Time (T90) | <2 s |
| Optical Path Length | 30 m (multi-pass cell) |
| Wavelength Stability | Real-time peak-locking via integrated NH₃ reference cell |
| Output Interface | Digital RS-485 / USB |
| Data Storage | Internal SD card (≥16 GB) |
| Operating Temperature | −10 °C to +50 °C |
| Power Supply | Rechargeable Li-ion battery (≥8 h continuous operation) |
| Compliance | CE-marked, RoHS-compliant, meets IEC 61000-4 EMC immunity requirements |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Model | SE321 |
| Detection Gases | NH₃, H₂S |
| Instrument Type | Portable |
| Sensor Technology | Electrochemical |
| Display | Backlit LCD Touchscreen |
| Sampling System | Integrated diaphragm pump, stainless-steel probe, 12-ft PTFE-lined sampling hose, particulate filter, and mass flow meter |
| Design | Modular, field-serviceable architecture |
| Compliance Context | Designed for ambient air quality monitoring per ISO 16000-24 and EPA Method IO-4.2 (electrochemical sensor-based gas detection) |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Model | SE330 |
| Instrument Type | Portable |
| Gas Targets | CO₂, CO, O₂ |
| Detection Principle | NDIR (CO₂), Electrochemical (CO & O₂) |
| Measurement Range | CO₂: 0–2000 ppm (standard), CO: 0–2000 ppm / 0–4.00% (dual-range), O₂: 0–25% vol |
| Sensor Lifespan | CO & O₂ sensors: 3–4 years |
| CO₂ NDIR detector | indefinite under contamination-free operation |
| Display | Backlit LCD touchscreen |
| Built-in Components | Sampling pump, particulate filter, flow meter, condensate removal system |
| Probe | Stainless-steel probe with flexible sampling hose |
| Compliance Context | Designed for field-deployable compliance with occupational hygiene standards (e.g., OSHA PELs, ACGIH TLVs), indoor air quality protocols (ISO 16000 series), and combustion efficiency assessment per EN 15316-4-2 and ASTM D7549 |
| Brand | Leshi |
|---|---|
| Model | SE350 |
| Type | Portable Gas Analyzer |
| Detection Principles | NDIR (CO, CO₂), Electrochemical (O₂), TCD (H₂, optional) |
| Gas Channels | Up to 4 simultaneous gases (configurable: CO, CO₂, O₂, CH₄, H₂) |
| Power Supply | Rechargeable Li-ion battery + AC adapter |
| Sampling System | Integrated diaphragm pump, flow meter, particulate filter, and sample line |
| Enclosure | IP65-rated ruggedized stainless-steel housing (chemically resistant grade) |
| Display | Backlit LCD with real-time concentration readouts |
| Output Options | 4–20 mA analog output, RS232/USB data interface, optional data logger |
| Compliance | Designed for industrial field use per IEC 61000-6-2/6-4 (EMC), ATEX Zone 2 / IECEx nA IIC T4 Ga (optional certification variant) |
| Operating Temperature | −10 °C to +50 °C |
| Storage Temperature | −20 °C to +60 °C |
| Relative Humidity | 0–95 % RH (non-condensing) |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | Soil GHG Analyzer |
| Price Range | USD 210,000 – 350,000 |
| Channel Capacity | 24 independent sampling ports |
| Operating Temperature | Ambient (10–35 °C) |
| Target Gases | N₂O, CH₄, CO₂, CO, C₁–C₆ hydrocarbons, aromatic & cyclic hydrocarbons, carboxylic acids & derivatives, aldehydes, ketones |
| Measurement Mode | Real-time, sequential multi-point gas chromatography with integrated thermal desorption and PID/FID detection modules |
| Brand | Leshi |
|---|---|
| Origin | USA |
| Model | THY-FDM |
| Detection Principle | Photoionization Detection (PID) |
| Instrument Type | Online Continuous Monitoring Detector |
| Configuration | Total Volatile Organic Compounds (TVOC) Analyzer |
| Detection Ranges | 0–10 ppm, 0–100 ppm, 0–1000 ppm, 0–10000 ppm (selectable full-scale) |
| Resolution | 0.01 ppm (at 0–10 ppm range), 0.1 ppm (at 0–100 ppm), 1 ppm (at 0–1000 ppm), 10 ppm (at 0–10000 ppm) |
| Accuracy | ±5% of Full Scale (FS) |
| Repeatability | ±5% FS |
| Response Time | T90 ≤ 30 seconds |
| Operating Temperature | −30 °C to +50 °C |
| Operating Humidity | 10–95% RH (non-condensing) |
| Atmospheric Pressure Range | 86–115 kPa |
| Power Supply | 24 VDC (18–28 VDC), current draw ≤ 100 mA |
| Power Consumption | <2.5 W |
| Enclosure Material | Die-cast aluminum with epoxy-polyester powder coating |
| Ingress Protection | IP66 |
| Explosion Protection | Ex d IIC T6 Gb |
| Dimensions (L×W×H) | 144 mm × 99 mm × 108.5 mm |
| Weight | 1.4 kg |
| Installation Options | Wall-mount, pipe-insertion, or gas-injection mounting |
| Output Signals | 4–20 mA (3-wire), RS-485 Modbus RTU (4-wire) |
| Cable Specifications | RVVP 3×1.0 mm² (4–20 mA), RVVP 4×1.0 mm² (RS-485) |
| Maximum Signal Transmission Distance | ≤ 1000 m |
| Sensor Lifetime | 2–3 years |
| Compatibility | Integrates with third-party DCS, PLC, and analog-input gas alarm controllers |